class IssuesController < ApplicationController
  before_action :require_login, except: [:index, :show]
  before_action :set_project
  before_action :check_project_public, only: [:index ,:show, :copy, :index_chosen, :close_issue]
  before_action :check_issue_permission, except: [:index, :show, :index_chosen]
  before_action :set_issue, only: [:edit, :update, :destroy, :show, :copy, :index_chosen, :close_issue, :lock_issue]

  include ApplicationHelper

  def index
    issues = @project.issues.includes(:user,:tracker, :priority, :version, :issue_status, :journals)
    issues = issues.where(is_private: false) unless current_user.present? && (current_user.admin? || @project.member?(current_user))
    @all_issues_size = issues.size
    @open_issues_size = issues.where.not(status_id: 5).size
    @close_issues_size = issues.where(status_id: 5).size
    @assign_to_me_size = issues.where(assigned_to_id: current_user&.id).size
    @my_published_size = issues.where(author_id: current_user&.id).size

    status_type = params[:status_type].to_s  #issue状态的选择
    search_name = params[:search].to_s
    start_time = params[:start_date]
    end_time = params[:due_date]

    if status_type.to_s == "1"  #表示开启中的
      issues = issues.where.not(status_id: 5)
    elsif status_type.to_s == "2"   #表示关闭中的
      issues = issues.where(status_id: 5)
    end

    if search_name.present?
      issues = issues.where("subject like ?", "%#{search_name}%")
    end

    if start_time&.present? || end_time&.present?
      issues = issues.where("start_date between ? and ?",start_time&.present? ? start_time.to_date : Time.now.to_date, end_time&.present? ? end_time.to_date : Time.now.to_date)
    end

    issues = issues.where(author_id: params[:author_id]) if params[:author_id].present?
    issues = issues.where(assigned_to_id: params[:assigned_to_id]) if params[:assigned_to_id].present?
    issues = issues.where(tracker_id: params[:tracker_id]) if params[:tracker_id].present?
    issues = issues.where(status_id: params[:status_id]) if params[:status_id].present?
    issues = issues.where(priority_id: params[:priority_id]) if params[:priority_id].present?
    issues = issues.where(fixed_version_id: params[:fixed_version_id]) if params[:fixed_version_id].present?
    issues = issues.where(done_ratio: params[:done_ratio].to_i) if params[:done_ratio].present?
    issues = issues.where(issue_type: params[:issue_type]) if params[:issue_type].present?
    issues = issues.joins(:issue_tags).where(issue_tags: {id: params[:issue_tag_id].to_i}) if params[:issue_tag_id].present?

    order_type = params[:order_type] || "desc"   #或者"asc"
    order_name = params[:order_name] || "created_on"   #或者"updated_on"

    @page = params[:page]
    @limit = params[:limit] || 15
    @issues = issues.order("#{order_name} #{order_type}")
    @issues_size = issues.size
    @issues = issues.order("#{order_name} #{order_type}").page(@page).per(@limit)

    respond_to do |format|
      format.json
      format.xlsx{
        set_export_cookies
        export_issues(@issues)
        export_name = "#{@project.name}_issues列表_#{Time.now.strftime('%Y%m%d_%H%M%S')}"
        render xlsx: "#{export_name.strip}",template: "issues/index.xlsx.axlsx",locals: {table_columns:@table_columns,issues:@export_issues}
      }
    end
  end

  def index_chosen
    @issue_chosen = issue_left_chosen(@project, nil)
  end

  def commit_issues
    issues = @project.issues.includes(:user,:tracker)
    issues = issues.where(is_private: false) unless current_user.present? && (current_user.admin? || @project.member?(current_user))
    @all_issues_size = issues.size
    @open_issues_size = issues.where.not(status_id: 5).size
    @close_issues_size = issues.where(status_id: 5).size
    @normal_issues_size = issues.where(issue_type: "1").size
    @pay_issues_size = issues.where(issue_type: "2").size

    status_type = params[:status_type].to_s

    if status_type.to_s == "1"  #表示开启中的
      issues = issues.where.not(status_id: 5)
    elsif status_type.to_s == "2"   #表示关闭中的
      issues = issues.where(status_id: 5)
    elsif  status_type.to_s == "3"  #普通
      issues = issues.where(issue_type: "1")
    elsif  status_type.to_s == "4"  #悬赏
      issues = issues.where(issue_type: "2")
    end

    @commit_issues = []
    total_commit_issues = {
      name: "合计",
      user_login: nil,
      all_count: issues.size,
      trackers: trackers_size(issues)
    }
    @commit_issues.push(total_commit_issues)

    members = issues.pluck(:assigned_to_id).uniq
    members.each do |m|
      user = User.select(:id, :login, :firstname, :lastname).find(m)
      user_issues = issues.where(assigned_to_id: m)  #指派给
      member_params = {
        name: user.try(:show_real_name),
        user_login: user.try(:login),
        all_count: issues.size,
        trackers: trackers_size(user_issues)
      }
      @commit_issues.push(member_params)
    end

    un_assign = issues.where(assigned_to_id: nil)
    total_commit_issues = {
      name: "未指派",
      user_login: nil,
      all_count: un_assign.size,
      trackers: trackers_size(un_assign)
    }
    @commit_issues.push(total_commit_issues)

  end

  def new
    @issue_chosen = issue_left_chosen(@project, nil)
  end

  def create
    if params[:subject].blank?
      normal_status(-1, "标题不能为空")
    elsif params[:subject].to_s.size > 255
      normal_status(-1, "标题不能超过255个字符")
    elsif (params[:issue_type].to_s == "2") && params[:token].to_i == 0
      normal_status(-1, "悬赏的奖金必须大于0")
    else
      issue_params = {
        subject: params[:subject],
        description: params[:description],
        is_private: params[:is_private],
        assigned_to_id: params[:assigned_to_id],
        tracker_id: params[:tracker_id],
        status_id: params[:status_id],
        priority_id: params[:priority_id],
        fixed_version_id: params[:fixed_version_id],
        start_date: params[:start_date].to_s.to_date,
        due_date: params[:due_date].to_s.to_date,
        estimated_hours: params[:estimated_hours],
        done_ratio: params[:done_ratio],
        issue_type: params[:issue_type],
        token: params[:token],
        issue_tags_value: params[:issue_tag_ids].present? ? params[:issue_tag_ids].join(",") : "",
        closed_on: (params[:status_id].to_i == 5) ? Time.now : nil,
      }
      @issue = Issue.new(issue_params.merge(author_id: current_user.id, project_id: @project.id))
      if @issue.save!
        if params[:attachment_ids].present?
          params[:attachment_ids].each do |id|
            attachment = Attachment.select(:id, :container_id, :container_type)&.find_by_id(id)
            unless attachment.blank?
              attachment.container = @issue
              attachment.save
            end
          end
        end
        if params[:issue_tag_ids].present?
          params[:issue_tag_ids].each do |tag|
            IssueTagsRelate.create!(issue_id: @issue.id, issue_tag_id: tag)
          end
        end
        if params[:assigned_to_id].present?
          Tiding.create!(user_id: params[:assigned_to_id], trigger_user_id: current_user.id,
                         container_id: @issue.id, container_type: 'Issue',
                         parent_container_id: @project.id, parent_container_type: "Project",
                         tiding_type: 'issue', status: 0)
        end
        @issue.project_trends.create(user_id: current_user.id, project_id: @project.id, action_type: "create")
        normal_status(0, "创建成功")
      else
        normal_status(-1, "创建失败")
      end
    end

  end

  def edit
    @issue_chosen = issue_left_chosen(@project, @issue.id)
    @issue_attachments = @issue.attachments
  end

  def update
    issue_params = {
      subject: params[:subject],
      description: params[:description],
      is_private: params[:is_private],
      assigned_to_id: params[:assigned_to_id],
      tracker_id: params[:tracker_id],
      status_id: params[:status_id],
      priority_id: params[:priority_id],
      fixed_version_id: params[:fixed_version_id],
      start_date: params[:start_date].to_s.to_date,
      due_date: params[:due_date].to_s.to_date,
      estimated_hours: params[:estimated_hours],
      done_ratio: params[:done_ratio],
      closed_on: (params[:status_id].to_i == 5) ? Time.now : nil,
      issue_type: params[:issue_type],
      issue_tags_value: params[:issue_tag_ids].present? ? params[:issue_tag_ids].join(",").to_s : "",
      token: params[:token]
    }

    if @issue.update_attributes(issue_params)
      issue_files = params[:attachment_ids]
      change_files = false
      issue_file_ids = []
      if issue_files.present?
        issue_attachments = @issue&.attachments
        issue_file_ids = issue_attachments&.pluck(:id)
        left_file_ids = issue_file_ids - issue_files
        new_file_ids = issue_files - issue_file_ids
        if left_file_ids.size > 0
          change_files = true
          issue_attachments.where(id: left_file_ids).delete_all
        end
        if new_file_ids.size > 0
          change_files = true
          new_file_ids.each do |id|
            attachment = Attachment.select(:id, :container_id, :container_type)&.find_by_id(id)
            unless attachment.blank?
              attachment.container = @issue
              attachment.save
            end
          end
        end
      end
      if params[:issue_tag_ids].present?
        issue_current_tags = @issue&.issue_tags&.select(:id)&.pluck(:id)
        new_tag_ids = params[:issue_tag_ids] - issue_current_tags
        old_tag_ids = issue_current_tags - params[:issue_tag_ids]
        if old_tag_ids.size > 0
          @issue.issue_tags_relates.where(issue_tag_id: old_tag_ids).delete_all
        end
        if new_tag_ids.size > 0
          new_tag_ids.each do |tag|
            IssueTagsRelate.create(issue_id: @issue.id, issue_tag_id: tag)
          end
        end
      end

      if params[:status_id].to_i == 5
        @issue.issue_times.update_all(end_time: Time.now)
      end

      @issue.create_journal_detail(change_files, issue_files, issue_file_ids)
      normal_status(0, "更新成功")
    else
      normal_status(-1, "更新失败")
    end

  end

  def show
    @user_permission = current_user.present? && (!@issue.is_lock || @project.member?(current_user) || current_user.admin? || @issue.user == current_user)
    @issue_attachments = @issue.attachments
    @issue_user = @issue.user
    @issue_assign_to = @issue.get_assign_user
    @join_users = join_users(@issue)
    #总耗时
    cost_time(@issue)

    #被依赖
    @be_depended_issues_array = be_depended_issues(@issue)

    #依赖于
    depended_issues(@issue)
  end

  def destroy
    if @issue.destroy
      normal_status(0, "删除成功")
    else
      normal_status(-1, "删除失败")
    end
  end

  def copy
    @new_issue = @issue.dup
    if @new_issue.save
      @status = 1
    else
      @status = -1
    end
  end

  def close_issue
    type = params[:status_id].to_i || 5
    if type == 5
      message = "关闭"
    else
      message = "重新开启"
    end
    if @issue.update_attribute(:status_id, type)
      if type == 5
        @issue.project_trends.create(user_id: current_user.id, project_id: @project.id, action_type: "close")
        @issue.issue_times.update_all(end_time: Time.now)
      end
      @issue.create_journal_detail(false, [], [])
      normal_status(0, message)
    else
      normal_status(-1, "操作失败")
    end
  end

  def lock_issue
    if @issue.user == current_user || current_user.admin?
      type = (params[:lock_type].to_i == 1)
      if @issue.update_attribute(:is_lock, type)
        if type
          @issue.custom_journal_detail("lock_issue","", "因为#{params[:lock_reason].present? ? params[:lock_reason].to_s : "某种原因"}而锁定，并将对话限制为协作者")
        else
          @issue.custom_journal_detail("unlock_issue","", "解除锁定")
        end
        normal_status(0, "操作成功")
      else
        normal_status(-1, "操作失败")
      end
    else
      normal_status(-1, "您没有权限")
    end

  end

  private
  def set_project
    @project = Project.find_by_id(params[:project_id])
    unless @project.present?
      normal_status(-1, "项目不存在")
    end
  end

  def check_project_public
    unless @project.is_public || @project.member?(current_user) || current_user.admin?
      normal_status(-1, "您没有权限")
    end
  end

  def set_issue
    @issue = Issue.find_by_id(params[:id])
    if @issue.blank?
      normal_status(-1, "标签不存在")
    elsif @issue.is_lock &&!(@project.member?(current_user) || current_user.admin?)
      normal_status(-1, "您没有权限")
    end
  end

  def check_issue_permission
    unless @project.member?(current_user) || current_user.admin?
      normal_status(-1, "您没有权限")
    end
  end

  def join_users(issue)
    #协作者
    issue_comment_users_array = []
    issue_comment_users = issue.journals.select(:user_id).distinct
    if issue.present? && issue_comment_users.size > 0
      issue_comment_users.each do |j|
        user_avatar = url_to_avatar(j.user)
        issue_comment_users_array.push({login: j.user.try(:login), avatar_url: user_avatar})
      end
    end
    issue_comment_users_array
  end

  def cost_time(issue)
    #总耗时
    @cost_time_array = []
    @all_cost_time = 0
    all_issue_times = issue.issue_times.includes(:user).where.not(end_time: nil)
    if issue.present? && all_issue_times.size > 0
      all_issue_times.each do |time|
        cost_time = time.end_time.to_i - time.start_time.to_i
        cost_time = cost_time > 0 ? cost_time : 0
        @all_cost_time = @all_cost_time + cost_time
        set_cost_time = Time.at(cost_time).utc.strftime('%H h %M min %S s')
        @cost_time_array.push({login: time.user.try(:login), avatar_url: url_to_avatar(time.user), cost_time: set_cost_time})
      end
    end
  end

  def depended_issues(issue)
    #依赖于
    @depended_issues_id = []
    @depended_issues_array = []
    depended_issues = issue.issue_depends.pluck(:id,:depend_issue_id).uniq
    if issue.present? && depended_issues.size > 0
      depended_issues.each do |de|
        @depended_issues_id.push(de[1])
        issues = Issue.select(:id, :subject).where(id: de[1]).as_json
        issues = issues.first.merge(depend_id: de[0])
        @depended_issues_array.push(issues)
      end
      @depended_issues_id.delete(issue.id)
    end
  end

  def be_depended_issues(issue)
    be_depended_issues_array = []
    be_depended_issues = IssueDepend.where(depend_issue_id: issue.id).pluck(:id,:issue_id).uniq
    if issue.present? && be_depended_issues.size > 0
      be_depended_issues.each do |de|
        d_issues =  Issue.select(:id, :subject).where(id: de[1]).as_json
        d_issues = d_issues.first.merge(depend_id: de[0])
        be_depended_issues_array.push(d_issues)
      end
    end
    be_depended_issues_array
  end

  def issue_left_chosen(project,issue_id)
    issue_info = Array.new(11)
    use_tags = []
    issue_comment_users_array = []
    cost_time_array = []
    all_cost_time = 0
    be_depended_issues_array = []
    depended_issues_array = []
    all_issues = []
    depended_issues_id = []
    if issue_id.present?
      issue = Issue.find(issue_id)
      use_tags = issue.issue_tags.select(:id).pluck(:id)
      select_arrays = [:assigned_to_id, :tracker_id, :status_id, :priority_id, :fixed_version_id, :start_date, :due_date, :estimated_hours, :done_ratio, :issue_type, :token]
      issue_info = Issue.select(select_arrays).where(id: issue_id).pluck(select_arrays)
      issue_info = issue_info[0]

      issue_comment_users_array = join_users(issue)
      #总耗时
      cost_time(issue)
      cost_time_array = @cost_time_array
      all_cost_time = @all_cost_time

      #被依赖
      be_depended_issues_array = be_depended_issues(issue)

      #依赖于
      depended_issues(issue)
      depended_issues_array = @depended_issues_array
      depended_issues_id = @depended_issues_id

    end
    project_members = project.members_user_infos
    project_members_info = []  #指派给
    project_members.each do |member|
      user = member.user
      real_name = user.try(:show_real_name)
      user_id = member[0]
      is_chosen = ((user.id.to_s == issue_info[0].to_s) ? "1" : "0")
      member_info = {id: user_id, name: real_name,avatar_url: url_to_avatar(user),is_chosen: is_chosen}
      project_members_info.push(member_info)
    end

    tracker_info = project.trackers&.pluck(:id, :name, :position)
    new_tracker_info = []  #类型
    if tracker_info.size > 0
      tracker_info.each do |t|
        is_chosen = (t[0] == issue_info[1]) ? "1" : "0"
        new_tracker = {id: t[0], name: t[1], position: t[2], is_chosen: is_chosen}
        new_tracker_info.push(new_tracker)
      end
    end

    issue_status = IssueStatus&.pluck(:id,:name,:position)
    new_status_info = []  #缺陷类型
    if issue_status.size > 0
      issue_status.each do |t|
        is_chosen = (t[0] == issue_info[2]) ? "1" : "0"
        new_issue = {id: t[0], name: t[1], position: t[2], is_chosen: is_chosen}
        new_status_info.push(new_issue)
      end
    end

    issue_priority = IssuePriority&.pluck(:id,:name, :position)
    new_priority_info = []  #优先度
    if issue_priority.size > 0
      issue_priority.each do |t|
        is_chosen = (t[0] == issue_info[3]) ? "1" : "0"
        new_issue = {id: t[0], name: t[1], position: t[2], is_chosen: is_chosen}
        new_priority_info.push(new_issue)
      end
    end

    issue_versions = project.versions&.pluck(:id,:name, :status)
    new_version_info = []  #issue里程碑
    if issue_versions.size > 0
      issue_versions.each do |t|
        is_chosen = (t[0] == issue_info[4]) ? "1" : "0"
        new_issue = {id: t[0], name: t[1], status: t[2], is_chosen: is_chosen}
        new_version_info.push(new_issue)
      end
    end

    issue_done_ratio = %w(0 10 20 30 40 50 60 70 80 90 100)
    new_done_info = []  #完成度
    if issue_done_ratio.size > 0
      issue_done_ratio.each do |t|
        is_chosen = (t == issue_info[8].to_s) ? "1" : "0"
        new_issue = {id:t.to_i, ratio: (t.to_s + "%"), is_chosen: is_chosen}
        new_done_info.push(new_issue)
      end
    end

    issue_tags = project.issue_tags&.pluck(:id,:name, :color)
    new_tags_info = []  #issue标签
    if issue_tags.size > 0
      issue_tags.each do |t|
        is_chosen = (use_tags.size > 0 && use_tags.include?(t[0])) ? "1" : "0"
        new_issue = {id: t[0], name: t[1], color: t[2], is_chosen: is_chosen}
        new_tags_info.push(new_issue)
      end
    end

    issue_types = %w(普通 悬赏)
    new_types_info = []  #issue标签
    issue_types.each_with_index do |i, index|
      is_chosen = (issue_info[9] == "#{index+1}") ? "1" : "0"
      is_token = (index.to_s == "1") ? issue_info[10] : nil
      new_type_info = {id: index+1, name: i, token: is_token, is_chosen: is_chosen}
      new_types_info.push(new_type_info)
    end

    depend_other_issues = project.issues.where.not(id: issue_id)&.pluck(:id, :subject)
    if depend_other_issues.size > 0
      depend_other_issues.each do |t|
        is_chosen = depended_issues_id.include?(t[0]) ? "1" : "0"
        new_issue = {id: t[0], subject: t[1], is_chosen: is_chosen}
        all_issues.push(new_issue)
      end
    end


    {
      "assign_user": project_members_info,
      "tracker": new_tracker_info,
      "issue_status": new_status_info,
      "priority": new_priority_info,
      "issue_version": new_version_info,
      "start_date": issue_info[5],
      "due_date": issue_info[6],
      "joins_users": issue_comment_users_array,
      "cost_time_users": cost_time_array,
      "total_cost_time": Time.at(all_cost_time).utc.strftime('%H h %M min %S s'),
      "be_depended_issues": be_depended_issues_array,
      "depended_issues":depended_issues_array,
      "estimated_hours": issue_info[7],
      "done_ratio": new_done_info,
      "issue_tag": new_tags_info,
      "issue_type": new_types_info,
      "all_issues": all_issues
    }

  end

  def export_issues(issues)
    @table_columns = %w(ID 类型 标题	描述	状态	指派给	优先级 标签 发布人 创建时间 里程碑 开始时间 截止时间 完成度 分类 金额)
    @export_issues = []
    issues.each do |i|
      issue_array = [i.id, i.tracker.try(:name), i.subject, i.description, i.issue_status.try(:name),i.get_assign_user.try(:show_real_name),
                     i.priority.try(:name), i.get_issue_tags_name, i.user.try(:show_real_name), format_time(i.created_on), i.version.try(:title),
                     i.start_date.to_s, i.due_date.to_s, i.done_ratio.to_s + "%", i.issue_type == "2" ? "悬赏" : "普通", i.token.to_s ]

      @export_issues.push(issue_array)

    end
  end

  def trackers_size(issues)
    trackers_id = Tracker.pluck(:id,:name)
    tracker_array = []
    trackers_id.each do |t|
      tracker_info = {
        id: t[0],
        name: t[1],
        issues_count: issues.issues_count(t[0])
      }
      tracker_array.push(tracker_info)
    end
    tracker_array
  end
end